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National Crane and LineWise Team Up for High-Voltage Power Line Work


Dec. 7, 2022 - Combining National Crane's largest capacity boom truck, the NBT60XL, with LineWise's TLL-2000-Series 3 Triple Line Lifter, capable of handling 230kV power lines, significantly expands the work scope of electric utility contractors.

The Triple Line Lifter 2000 Series 3 is an insulated crane attachment that supports up to three energized lines.

It can support 2,000 lbs., or 6,000 pounds, total.

Together, the 60-USt National Crane boom truck and attachment allow utility contractors to work on live transmission lines without disrupting power, thus avoiding substantial downtime and lost productivity to energy users.

The NBT60XL's agile roading and impressive lifting capacity allow it to seamlessly control the attachment from ground level installation to maximum height.

Operated by a handheld radio remote control, the TLL-2000 can articulate hydraulically from horizontal to vertical, and the spacing between its insulators can be adjusted from 12’ to 24’ to capture the outer conductors.

“National Crane and LineWise are superior leaders in their fields, and recent validation testing with the TLL-2000 triple line lifter and our 60-ton boom truck showcased the duo’s capabilities,” said Mike Heinrich, vice president of sales for National Crane. “We look forward to seeing the products at work with our end customers.”

Quick to Mobilize

A specifically designed boom-tip adapter, hydraulic power unit (HPU), and transportation skid are standard. The separate ground-level hydraulic power unit powers the TLL-2000. Insulated hoses run from the power unit to the line lifter. The TLL can also be powered by the boom truck’s hydraulics. Either way, the TLL-2000 gives the user reliable, responsive control.

The transport skid, with dedicated slots for the triple line lifter, wire holders, insulators, and pins, fits compactly on a flatbed or lowboy trailer.

Unique to the National Crane NBT60XL, the attachment can be installed directly from ground level in less than one hour without supplemental lifting equipment. That cuts cost and time.

Powerful Partners

The TLL-2000 and TLL-1300 can be ordered in the United States and Canada through LineWise or its distributors.

To maximize the use of the crane and attachment, National Crane application engineers assist each customer in developing boom-truck design options and configurations. Once delivered, LineWise field service managers provide onsite training.

Total Package

Twenty National Crane model variations work with Triple Line Lifter attachments.

National Crane also offers personnel platforms, radio remote controls for crane functions, and boom-mounted hose reels.

Additionally, through Manitowoc Lift Solutions, customers can request factory-fit boom-mounted augers, pole grabs, or any other custom-application equipment.

When using the Triple Line Lifter on a National Crane, ensure all work is performed in accordance with National Crane and LineWise operational procedures and OSHA regulations regarding work on electric utilities.

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